<span>There are four basic modes of plasma transportation, these include: diffusion, osmosis, facilitated diffusion and active transport. Diffusion, osmosis and facilitated diffusion are passive transport because, their movement through the plasma membrane does not require energy while transportation through active transport requires energy.</span>
Dendrites and axons.
Dendrites and axons are extensions/fibers in nerve cells that either recive or send information to neurons respectively.
→ The image below shows you both and more parts of a nerve cell.
Hope it helped,
BioTeacher101
If you remove a secondary consumer then, primary consumers have the chance to overpopulated and Tertiary consumers underpopulate or die off because there's no secondary consumers to eat
